Overview
- The one-hour special premieres Sunday, December 21 at 9pm on BBC One and BBC iPlayer.
- Adrian Edmondson guest-stars as David Haleton, deepening links to companion series Death in Paradise.
- The investigation starts when an unidentified man with no memory is found at Shipton Abbott police station clutching a photo of DI Humphrey Goodman.
- Martha sets up a secret plan with help from Anne and Zoe as Kelby tries to assist a man trapped in a snowman costume.
- Preview images show Humphrey and Martha in wedding attire, which has fueled fan speculation, and Wales Online reports Death in Paradise returns the following Sunday.